Home / 211,867.14-317,801.27-51,943.80

Finding the Fourth Proportional to 211,867.14, 317,801.27 and 51,943.80

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Solution

The fourth proportional to 211,867.14, 317,801.27 and 51,943.80 is: 77,915.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,867.14 : 317,801.27 = 51,943.80 : x
  2. Step 2: Convert to fraction form
    211,867.14/317,801.27 = 51,943.80/x
  3. Step 3: Cross multiply
    211,867.14x = 317,801.27 × 51,943.80
  4. Step 4: Simplify right side
    211,867.14x = 16,507,805,608.63
  5. Step 5: Solve for x
    x = 16,507,805,608.63/211,867.14
  6. Step 6: Final answer
    x = 77,915.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.